Re: WIP patch to improve amvalidate functions

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От Alvaro Herrera
Тема Re: WIP patch to improve amvalidate functions
Дата
Msg-id 20160121022756.GA384179@alvherre.pgsql
обсуждение исходный текст
Ответ на WIP patch to improve amvalidate functions  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: WIP patch to improve amvalidate functions  (Tom Lane <tgl@sss.pgh.pa.us>)
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Tom Lane wrote:

> I'm posting this now just in case anyone has some comments, or quibbles
> about the overall intent.  In particular, if anyone has an idea for a more
> thorough missing-objects check on BRIN opfamilies, I would like to hear
> it.  The fact that there are two kinds of opfamilies with rather different
> internal consistency requirements is a real pain there, and the check
> rules I have here are definitely the result of some trial and error.

Without reading your code: maybe each opfamily framework could itself
provide a validator function as a separate support procedure (currently
brin_minmax_validate and brin_inclusion_validate); so the generic BRIN
amvalidate verifies the basic elements of the opfamily, then hands off
to the opfamily-framework-specific validator function for additional
checking.

-- 
Álvaro Herrera                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services



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